# Processing Null In The Result Set
__*NULL in result sets*__
+ Connector converts `SQL NULL` to the corresponding instance specific to the language platform
+ Using the **`ResultSet`** object **`wasNull()`** method:
  + **`if rs.wasNull()`** 

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Class demo scripts:

For macOS and Linux: https://github.com/pingcap/tidb-course-201-lab/blob/master/scripts/09-demo-jdbc-null-handling-01-show.sh

For Windows: https://github.com/pingcap/tidb-course-201-lab/blob/master/scripts/09-demo-jdbc-null-handling-01-show.bat

`wasNull()`: Whether the last column value fetched by the `ResultSet` is null.